Hanna-instruments HI 2212 Manual de usuario

1www.hannainst.compH/mV/°CBench Meterswith Custom BuffersHI 2212 HI 2213Instruction Manual

103 cm(1¼")THREE-POINT CALIBRATION• Submerse the pH electrode and the temperatureprobe approximately 3 cm (1¼”) into a buffersolution and stir ge

11• The “ ” tag will blink on the LCD until the readingis stable.• When the reading is stable and close to the selectedbuffer, the “READY” tag will be

12• To clear calibration parameters for all buffers starting withcurrent buffer, press and hold down CFM, then press CAL.The calibration will continue

13The temperature has an effect on pH. The calibration buffer solutions areaffected by temperature changes to a lesser degree than normalsolutions. Du

14GLP is a set of functions that allows storage and retrieval of dataregarding the maintenance and status of the electrode.All data regarding the last

15• The pH calibration buffers in calibrating order.The first pH calibration buffer:The second pH calibration buffer:The third pH calibration buffer:N

16- or the number of days until the calibration alarm will be displayed- or if expired (7 days ago)Notes: • Press GLP to return to measurement mode.•

17EXPIRED CALIBRATION ALARMPress CAL when the calibration time-out is displayed. Calibration time-out(“OFF” or “1” to “7” days) and “CFM” will start b

18SECOND CUSTOM BUFFERPress CAL when “cb2” is displayed. The custom buffer (disabled –“no” or “0” to “16” pH) and “CFM” will start blinking.Press the

19CURRENT DATEPress CAL when the current date is displayed. The year and “CFM” willstart blinking.Press the ARROW keys to change the year.Press RA

2Dear Customer,Thank you for choosing a Hanna Instruments product.Please read this instruction manual carefully before using these instruments.This ma

20All the instruments are factory calibrated for temperature.Hanna’s temperature probes are interchangeable and no temperaturecalibration is needed wh

21• Use the ARROW keys to set the reading on the secondary LCD to thatof the hot water.• When the reading is stable and close to theselected calibrati

22All the instruments are factory calibrated for mV.Hanna’s ORP electrodes are interchangeable and no mV calibration isneeded when they are replaced.I

23• Press CAL when the instrument is in RELATIVE mV measurementmode. The “mV” and “ ” tags will blink. Absolute mV is displayedon the primary LCD and

24PREPARATION PROCEDURERemove the protective cap of the pH electrode.DO NOT BE ALARMED IF SALT DEPOSITS ARE PRESENT. This is normalwith electrodes. Th

25For refillable electrodes:If the filling solution (electrolyte) is more than 2½ cm (1”) below the fillhole, add HI 7082 or HI 8082 3.5M KCl Electrol

26CLEANING PROCEDURE• General Soak in Hanna HI 7061 or HI 8061 GeneralCleaning Solution for approximately ½ hour.• Protein Soak in Hanna HI 7073 or HI

27SMOTPMYS MELBORP NOITULOSevissecxe/esnopserwolS.tfird.edortceleHpytriD dnaedortceleehtnaelCnipitehtkaosneht1607IH ro 1608IH rof.setunim03puetautculf

28Typical Electrode LifeAmbient Temperature 1 – 3 years90 ºC Less than 4 months120 ºC Less than 1 monthAlkaline ErrorHigh concentrations of sodium ion

29pH BUFFER SOLUTIONSHI 70004P pH 4.01 Buffer Sachets, 20 mL, 25 pcsHI 70007P pH 7.01 Buffer Sachets, 20 mL, 25 pcsHI 70010P pH 10.01 Buffer Sachets,

3The HANNA HI 2212 and HI 2213 are microprocessor based pH andtemperature bench meters.HI 2213 can also measure Oxidation Reduction Potential (ORP) in

30ORP PRETREATMENT SOLUTIONSHI 7091L Reducing Pretreatment Solution, 500 mLHI 7092L Oxidizing Pretreatment Solution, 500 mLpH ELECTRODESAll electrodes

31HI 1330BGlass-body, semimicro, single junction, refillable, combination pH electrode.Use: laboratory, vials.HI 1331BGlass-body, semimicro, single ju

32FC 100BPlastic-body (PVDF), double junction, refillable, combination pH electrode.Use: general purpose for food industry.FC 200BPlastic-body (PVDF),

33HI 1413BGlass-body, single junction, flat tip, Viscolene, non-refillable, combinationpH electrode. Use: surface measurement.ORP ELECTRODESHI 3131BGl

34EXTENSION CABLE FOR SCREW-TYPE ELECTRODES(SCREW TO BNC ADAPTER)HI 7855/1 Extension cable 1 m (3.3') longHI 7855/3 Extension cable 3 m (9.9&ap

35RECOMMENDATIONS FOR USERSBefore using these products, make sure they are entirely suitable for theenvironment in which they are used.Operation of th

36Printed in EUROPE(ROMANIA) MAN2213 09/10Hanna Instruments Inc.Highland Industrial Park584 Park East DriveWoonsocket, RI 02895 USATechnical Support

4Front PanelRear Panel1) Liquid Crystal Display (LCD).2) CAL key, to enter and exit calibration mode.3) CFM/GLP key, to confirm different values or to

5EGNARHp00.61ot00.2–3122IH ylnoVm9.996±Vm0002±)F°842ot0.4-(Cº0.021ot0.02–NOITULOSERHp10.03122IH ylnoVm1.0Vm1Cº1.0YCARUCCAF°86/C°[email protected]±()Vm9.996±(V

63 cm(1¼")POWER CONNECTIONPlug the 12 VDC adapter into the power supply socket.Notes: • These instruments use non volatile memory to retain the p

7If measurements are taken successively in different samples, it is recommendedto rinse the electrode thoroughly with deionized water or tap water and

8RELATIVE mV MEASUREMENTS (HI 2213)• Press RANGE until “rEL” message will be displayed on the secondaryLCD line for one second and “mV” tag will blink

9Calibrate the instrument frequently, especially if high accuracy isrequired.The instrument should be recalibrated:• Whenever the pH electrode is repl